[INFO] fetching crate hangar 0.0.4...
[INFO] checking hangar-0.0.4 against beta for pr-78714
[INFO] extracting crate hangar 0.0.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hangar 0.0.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hangar 0.0.4
[INFO] finished tweaking crates.io crate hangar 0.0.4
[INFO] tweaked toml for crates.io crate hangar 0.0.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d31acfc2d82302880a354e20fdc299def392510b1b5c10e3ca909bf5e7787e75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d31acfc2d82302880a354e20fdc299def392510b1b5c10e3ca909bf5e7787e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31acfc2d82302880a354e20fdc299def392510b1b5c10e3ca909bf5e7787e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31acfc2d82302880a354e20fdc299def392510b1b5c10e3ca909bf5e7787e75", kill_on_drop: false }`
[INFO] [stdout] d31acfc2d82302880a354e20fdc299def392510b1b5c10e3ca909bf5e7787e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c081ef229104f3958cdd55b7c7a1728d8b949b31bfc083bfddab62ee2b2b72b9
[INFO] running `Command { std: "docker" "start" "-a" "c081ef229104f3958cdd55b7c7a1728d8b949b31bfc083bfddab62ee2b2b72b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking cargo_metadata v0.1.2
[INFO] [stderr]     Checking cargo-shim v0.1.5
[INFO] [stderr]     Checking hangar v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     context.add("database_url", &setting.db_url);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     context.add("database_url", &setting.db_url);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     context.add("authors_name_email", &setting.author);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     context.add("authors_name_email", &setting.author);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |     context.add("cargo_db", cargo_db);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |     context.add("db_connection_long", db_connection_long);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |     context.add("db_connection_short", db_connection_short);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
[INFO] [stdout]    |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     } else if let Some(matches) = matches.subcommand_matches("db") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     } else if let Some(matches) = matches.subcommand_matches("run") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |     context.add("cargo_db", cargo_db);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |     context.add("db_connection_long", db_connection_long);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |     context.add("db_connection_short", db_connection_short);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
[INFO] [stdout]    |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     } else if let Some(matches) = matches.subcommand_matches("db") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     } else if let Some(matches) = matches.subcommand_matches("run") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/generator/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tera.add_raw_template(var_template_name, var_template_value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/generator/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tera.add_raw_template(var_template_name, var_template_value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `Command { std: "docker" "inspect" "c081ef229104f3958cdd55b7c7a1728d8b949b31bfc083bfddab62ee2b2b72b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c081ef229104f3958cdd55b7c7a1728d8b949b31bfc083bfddab62ee2b2b72b9", kill_on_drop: false }`
[INFO] [stdout] c081ef229104f3958cdd55b7c7a1728d8b949b31bfc083bfddab62ee2b2b72b9